The "theory" behind it seems valid to me about that phrenic and vagus nerves story as far as I can tell https://pic8.co/sh/zgsBm8.gif
https://pic8.co/sh/gwJ3Pr.jpeg
But then I suspect that it's not "just about anywhere over there" on the neck, even more when you're dealing with a heavy weight, with a lot of muscles and flesh and fat around the said nerve
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